🇨🇳 China · Hydraulic works
Karez of Turpan
Han dynasty 142 BCE to Qing · Han, Uyghur, Hui oasis communities
2000-year karez underground qanat network (5,000 km, 1,100 lines) feeding Turpan Depression vineyards from Tian Shan snowmelt.
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Tagsqanat
21 places carry this tag, across every kind and continent it appears in.
🇮🇷 Iran · Hydraulic works
Timurid to Safavid–Qajar (14th–19th c.), Sasanid precursor mythic · Yazdi Persian (Imam Reza pilgrimage route water, Zoroastrian Yazd water wisdom)
Yazd 45-km 70-m mother well qanat 150 L/s since Safavid, feeding Mehriz 800 ha pistachio under Shirkuh, UNESCO 550.
🇨🇳 China · Hydraulic works
Han dynasty 142 BCE to Qing · Han, Uyghur, Hui oasis communities
2000-year karez underground qanat network (5,000 km, 1,100 lines) feeding Turpan Depression vineyards from Tian Shan snowmelt.
🇮🇷 Iran · Hydraulic works
Sassanian 470 CE to Safavid UNESCO 2011 · Sassanian hydraulic engineers; Safavid Shah Abbas I
Sassanian qanat (5th c. CE, 12 km, 400 shafts) feeding Fin Garden, UNESCO Persian Garden archetype hydraulic core.
🇮🇷 Iran · Hydraulic works
Sassanian 6th c. to Ilkhanid 1226 CE to present · Sassanian then Islamic Yazd hydraulic community
12th century high-discharge qanat (14 km, 320 shafts, 190 L/s) feeding Ghasemabad bagh and Yazd mills.
🇴🇲 Oman · Hydraulic works
Iron Age II to Islamic (1000 BCE–present; active) · Iron Age Oman (Lizq–Rumaylah) → Sasanian → Islamic Ya'aribah
3.5-km Iron Age daudi qanat (c.1000 BCE, 8 shafts) delivering 70 l/s — UNESCO aflaj flagship at Birkat al-Mouz.
🇮🇷 Iran · Hydraulic works
Qajar (1812) · Persian Qajar (Qazvin city governors Sardar)
Qajar brick 5-dome ab-anbar 45×12×8 m with 6 badgirs and 51-step access 1812, largest in Iran.
🇮🇷 Iran · Hydraulic works
Iron Age to Sassanian (Achaemenid to late antiquity) · Persian (Achaemenid–Sassanian) hydraulicians
Oldest functioning qanat 33 km, 360-m mother well, Achaemenid c.700 BCE, 150 L/s Persian Qanat UNESCO.
🇮🇷 Iran · Hydraulic works
Achaemenid to present (2,500 years continuous) · Persian qanat engineers (Achaemenid, Sassanian, Safavid)
71-km Zarch qanat—longest gravity aquifer tunnel on Earth (500 BCE–Safavid).
🇨🇱 Chile · Hydraulic works
Formative to Modern (Alto Ramírez to Colonial) · Tarapacá / Pica-Tarapacá / Hispanic oasis
Pica (1,350 m, 20°29′21″S 69°19′46″W) is the only living oasis of the Atacama with active filtration galleries (socavones) tapping the Pica Aquifer; study by Lictevout et al.
🇨🇳 China · Hydraulic works
Han to Qing (2nd c. BCE – 19th c. CE) · Han Chinese, Turkic Uyghur, Gaochang Tokharian, Hui
Tianshan 5,000-km 1784-karez gravity snow-melt system below sea level Han–present.
🇵🇰 Pakistan · Hydraulic works
Early Modern on Iron Age antecedent (Achaemenid wad?) · Baloch / Brahui oasis with Afghan karez diffusion
Balochistan karez (fog-qanat) field (1,680 m, 30°12′N 67°03′E 30.20,67.05) in Pishin Lora valley between Khwaja Amran and Takht-i-Sulaiman ranges; twin karez Tara (1.8 km) and Burj (2.3 km) with…
🇯🇴 Jordan · Hydraulic works
Roman Imperial (1st–3rd c. CE) · Decapolis Greco-Roman city league (Gadara, Adraa, Abila)
Hadrianic 170-km 94%-underground qanat from Daraa to Gadara, longest tunnel aqueduct antiquity.
🇮🇷 Iran · Hydraulic works
Sasanian to Early Islamic · Sasanian / Early Islamic Khorasan
35-km double-branch Sasanian qanat (500–800 CE) — 70-m mother well, 45 L/s to Ferdows oasis.
🇮🇷 Iran · Hydraulic works
Achaemenid to present (520 BCE–ongoing) · Achaemenid Gonabad oasis (Khorasan piedmont)
South Gonabad gallery 4.1 km with 62 shafts 42 m mother well: Achaemenid 520 BCE saruj, 12 L/s to Ghasemabad saffron.
🇯🇴 Jordan · Hydraulic works
Nabataean to Late Roman · Nabataean / Roman Arabia
3.2-km Nabataean–Roman rock-cut qanat (100 BCE–400 CE) with 28 shafts — Ma'an plateau.
🇯🇴 Jordan · Hydraulic works
Nabataean to Roman (120 BCE–180 CE) · Nabataean Ma'an desert oasis then Roman Arabia Petraea
East Alikhan qanat 2.8 km 44 shafts 18 m mother: Nabataean 120 BCE vaulted subterranean with Roman 180 repair 8 L/s.
🇮🇷 Iran · Hydraulic works
Achaemenid core 500 BCE to Sasanian 450 CE (extension) to present · Yazdi Zarch piedmont oasis (Kavir piedmont)
North Zarch extension 8.2 km with 88 shafts mother 34 m, 6 badgir towers 18 L/s: Sasanian 450 CE graft onto 500 BCE core.
🇸🇦 Saudi Arabia · Hydraulic works
Iron Age to Early Islamic (Assyrian to Islamic) · North Arabian oasis / Assyrian sphere
Al-Jawf depression (580 m, 29°51′N 40°00′E central Sirhan) qanat field tapping western Widyan tributaries (900-1100 m) and basalt plateau 800-900 m to supply Dumat al-Jandal (ancient Adummatu) at…
🇮🇷 Iran · Hydraulic works
Ilkhanid branch on Achaemenid–Sasanian trunk · Ilkhanid Yazd (branch) on Persian qanat tradition
Qanat-e Zarch west: 11.2-km Ilkhanid branch of world's longest 71-km Yazd qanat, UNESCO 1476.
🇴🇲 Oman · Hydraulic works
Iron Age (1000 BCE) to present · Omani, Iron Age to Islamic
Approximately 3,000 still-active aflaj (singular falaj) thread Oman, of which five exemplars — Daris, Al-Khatmeen, Al-Malki, Al-Jeela and Al-Muyassar — are inscribed.
🇮🇷 Iran · Hydraulic works
Achaemenid to present ~700 BCE–present · Persian (Median/Achaemenid onward)
71 km 2,115-shaft Zarch qanat - world's longest - still feeding Yazd after 3,000 years.
